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GEOLOGY A D wATER SUPPLY or Rock UNITS
Quatemary SystemPleistocene Series
8 other sections not shown
abundant ammonites aquifer Assemblage Zone Baculites basal bentonite bentonite seams biosparite Bridge Creek Bridge Creek Member calcareous calcite Carlile Shale central Kansas chalky limestone beds clay Cobban contains County Loc Cretaceous dark olive gray dark yellowish orange deposits drained Moderate feet Fencepost foot thick foraminifera FOSSILS fragments Greenhom Greenhorn Greenhorn Limestone Hamilton County Hartland Hartland Member Hattin Hodgeman County inoceramid Inoceramus Inoceramus prefragilis internal mold Jetmore Jetmore Member Kansas Kansas Geol laminated light olive gray limonite Lincoln Member lower marker bed Member at Locality Mixed Well drained Montmorillonitic Mytiloides labiatus olive black olive gray 5Y6/1 pale Pfeifer Member planktonic poorly drained prisms rocks Rush County Russell County samples sand Sciponoceras septic-tank Severe—2 Severe—2 Severe—3 Slight Severe—6a Severe—6a Shale shaly chalk Shellrock silt silty skeletal limestone soil maps Soil Survey species specimens speckled stratigraphic thin sections unit upper valves water table yellowish brown yellowish gray